Mater Dei School intends to provide an accelerated yet basic Catholic education in which character development is emphasized and appreciated as much as academic accomplishments.
In a traditionally structured yet relaxed atmosphere, the students are encouraged to both work and play hard; accordingly, a strong athletic program complements the scholastic curriculum.
By providing effective role models as teachers, Mater Dei tries to impress upon its boys that academic success depends upon consistent and responsible effort in class and on assignments; that by being good persons they can best fulfill their roles as students and their obligations as Catholics; that they must and should be held accountable for their actions and inactions; and that by not taking themselves too seriously they can gain a valuable perspective on the ups and downs of school life. For all of us, this effectively means "Work hard, play hard, pray hard, but most of all, Be A Good Guy!".
Quick Facts (2026)
- Grades: 1-8
- Enrollment: 230 students
- Yearly Tuition: $24,210
- Average class size: 20 students
- Application Deadline: Nov. 30
- Source: Verified school update
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 1-8
Year Founded
1960
Colors
Navy, White
School Calendar
First Day of School
Mon. Aug 31, 2026
Student Body
Academics and Faculty
Average Class Size
20 students
Classroom Dress Code
Formal
Tuition and Acceptance Rate
Sports
Total Sports Offered
11 sports
School Notes
- School Motto: Work hard, play hard, pray hard, be a good guy!
- Mater Dei is an independent, Catholic school for boys, grades 1 through 8. The curriculum is a reasonably fast-tracked one in which consistent effort and reading are emphasized; however, character development is the school's top priority. Religion is taught daily. All classes are generally limited to twenty students. Grades 1 through 4 are housed in the Lower School and grades 5 through 8 are in the Upper School. Grades 5 through 8 are departmentalized with specialists teaching most subjects. Students have multiple community service opportunities, attend numerous field trips and Upper School students participate in "Outdoor Week."
Source: Verified school update
Frequently Asked Questions
How much does Mater Dei School cost?
Mater Dei School's tuition is approximately $24,210 for private students.
What sports does Mater Dei School offer?
Mater Dei School offers 11 interscholastic sports: Baseball, Basketball, Cross Country, Football, Golf, Ice Hockey, Lacrosse, Soccer, Tennis, Track and Field and Wrestling.
When is the application deadline for Mater Dei School?
The application deadline for Mater Dei School is Nov. 30.
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Miles
Quick Facts
8617 Chateau Drive
Potomac, MD 20854
(301) 767-3812
Potomac, MD 20854
(301) 767-3812
0.9 miles
Gr: PK-12 | 508 students Avg. class size: 18 students Sports: 7 | Extracurrculars: 7 Tuition & acceptance rate listed
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0.9 miles
Gr: 3-12 | 575 students Avg. class size: 17 students Tuition & acceptance rate listed
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Gr: 3-12 Avg. class size: 15 students Sports: 16 Tuition & acceptance rate listed
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6301 Greentree Rd
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Bethesda, MD 20817
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School
Location
Miles
Quick Facts
7701 Bradley Blvd.
Bethesda, MD 20817
(301) 365-1100
Bethesda, MD 20817
(301) 365-1100
0.3 miles
Gr: PK-3 | 126 students Avg. class size: 13 students Tuition & acceptance rate listed
9222 Kentsdale Dr
Potomac, MD 20854
(301) 365-4477
Potomac, MD 20854
(301) 365-4477
0.7 miles
Gr: PK-8 | 241 students Avg. class size: 18 students Sports: 6 | Extracurrculars: 11 Tuition listed
8617 Chateau Drive
Potomac, MD 20854
(301) 767-3812
Potomac, MD 20854
(301) 767-3812
0.9 miles
Gr: PK-12 | 508 students Avg. class size: 18 students Sports: 7 | Extracurrculars: 7 Tuition & acceptance rate listed
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10400 Seven Locks Rd
Potomac, MD 20854
(301) 365-4300
Potomac, MD 20854
(301) 365-4300
0.9 miles
Gr: 3-12 | 575 students Avg. class size: 17 students Tuition & acceptance rate listed
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Bethesda, MD 20817
(301) 365-2595
Bethesda, MD 20817
(301) 365-2595
1.2 miles
Gr: PK-8 | 463 students Avg. class size: 10 students Sports: 15 | Extracurrculars: 15 Tuition listed
School
Location
Miles
Quick Facts
7701 Bradley Blvd.
Bethesda, MD 20817
(301) 365-1100
Bethesda, MD 20817
(301) 365-1100
0.3 miles
Gr: PK-3 | 126 students Avg. class size: 13 students Tuition & acceptance rate listed
9222 Kentsdale Dr
Potomac, MD 20854
(301) 365-4477
Potomac, MD 20854
(301) 365-4477
0.7 miles
Gr: PK-8 | 241 students Avg. class size: 18 students Sports: 6 | Extracurrculars: 11 Tuition listed
8617 Chateau Drive
Potomac, MD 20854
(301) 767-3812
Potomac, MD 20854
(301) 767-3812
0.9 miles
Gr: PK-12 | 508 students Avg. class size: 18 students Sports: 7 | Extracurrculars: 7 Tuition & acceptance rate listed
8821 River Road
Bethesda, MD 20817
(301) 365-2595
Bethesda, MD 20817
(301) 365-2595
1.2 miles
Gr: PK-8 | 463 students Avg. class size: 10 students Sports: 15 | Extracurrculars: 15 Tuition listed
6801 Greentree Road
Bethesda, MD 20817
(301) 365-3080
Bethesda, MD 20817
(301) 365-3080
1.2 miles
Gr: PK-8 | 329 students Avg. class size: 15 students Sports: 9 | Extracurrculars: 6 Tuition & acceptance rate listed
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Miles
Quick Facts
10900 University Boulevard, 22
Manassas, VA 20110
(703) 993-7027
Manassas, VA 20110
(703) 993-7027
9222.1 miles
(Math: 65-69% | Reading: 40-44%)
Rank:
Rank:
3/
Bottom 50%10
10100 Hastings Dr
Manassas, VA 20110
(571) 377-6400
Manassas, VA 20110
(571) 377-6400
9222.3 miles
Gr: PK-4 | 512 students Student-Teacher Ratio: 16:1 Minority enrollment: 84%
Magnet School
(Math: 52% | Reading: 45-49%)
Rank:
Rank:
2/
Bottom 50%10
8000 Rodes Dr
Manassas, VA 20109
(703) 330-0427
Manassas, VA 20109
(703) 330-0427
9222.4 miles
Gr: PK-5 | 667 students Student-Teacher Ratio: 14:1 Minority enrollment: 90%
Alternative School
14550 Aden Road
Manassas, VA 20112
(571) 374-6600
Manassas, VA 20112
(571) 374-6600
9222.5 miles
8250 Ashton Ave
Manassas, VA 20112
(703) 791-8381
Manassas, VA 20112
(703) 791-8381
9222.5 miles
Gr: PK-5 | 565 students Student-Teacher Ratio: 14:1 Minority enrollment: 89%
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